Melatonin Supplementation and Performance

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

EARLY_PHASE1

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-12-31

Study Completion Date

2013-01-31

Brief Summary

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The present study aimed to evaluate the possible effect of nocturnal melatonin ingestion upon short-term performances, on the following morning. Twelve soccer players from a Tunisian squad (22.9 ±1.3 years, 1.80±0.05 m, and 72.0±8.8 kg) were volunteered to perform three testing sessions, with one test session per day. During each session, MEL (5mg) , MEL (8mg) or placebo were ingested, in a randomized order, before nocturnal sleep. The next morning (08:00h), participants performed the following psycho-cognitive and physical tests: Hooper's index, reaction time, vigilance, handgrip strength , squat jump , modified agility test , Wingate anaerobic test (peak power , mean power and fatigue index ). Rating of perceived exertion was recorded immediately after the WanT, and blood lactate measures were taken after 3min of recovery. Blood glucose was measured before and 3 min after the Wingate test.

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Detailed Description

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Conditions

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Motor Activity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Melatonin

Group Type EXPERIMENTAL

Experimental: Melatonin

Intervention Type DIETARY_SUPPLEMENT

Our protocol was composed of three experimental sessions. During each testing session, participants were requested to attend the laboratory at 20:00h where they ingested a standardized light meal. Melatonin (5 mg or 8 mg) or placebo were ingested in capsule in the evening at 21:00h in a double-blind randomized design

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DIETARY_SUPPLEMENT

In a double-blind randomized design, participants have taken placebo supplementation in one of the three experimental sessions

Interventions

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Experimental: Melatonin

Our protocol was composed of three experimental sessions. During each testing session, participants were requested to attend the laboratory at 20:00h where they ingested a standardized light meal. Melatonin (5 mg or 8 mg) or placebo were ingested in capsule in the evening at 21:00h in a double-blind randomized design

Intervention Type DIETARY_SUPPLEMENT

Placebo

In a double-blind randomized design, participants have taken placebo supplementation in one of the three experimental sessions

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

The participants were recruited based on the following criteria: (i) paticipants must be trained at 4-6 days per week for an average of 2 h daily and (ii) they must have at least 8 years of training experience

Exclusion Criteria

* Subjects were excluded from the study if they present one of the following criteria : heart failure, antioxidant supplementation within 3 months before the study, lower-limb injuries

Minimum Eligible Age

20 Years

Maximum Eligible Age

23 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes